diff --git a/codec/noop.go b/codec/noop.go
index 9cd0b21a..9ae7a6bf 100644
--- a/codec/noop.go
+++ b/codec/noop.go
@@ -106,6 +106,10 @@ func (c *noopCodec) Unmarshal(d []byte, v interface{}, opts ...Option) error {
 	case *string:
 		*ve = string(d)
 		return nil
+	case []byte:
+		ve = make([]byte, len(d))
+		copy(ve, d)
+		return nil
 	case *[]byte:
 		*ve = d
 		return nil
diff --git a/codec/noop_test.go b/codec/noop_test.go
index 9f99b5dd..ac09dae3 100644
--- a/codec/noop_test.go
+++ b/codec/noop_test.go
@@ -5,7 +5,7 @@ import (
 	"testing"
 )
 
-func TestNoopBytes(t *testing.T) {
+func TestNoopBytesPtr(t *testing.T) {
 	req := []byte("test req")
 	rsp := make([]byte, len(req))
 
@@ -19,6 +19,20 @@ func TestNoopBytes(t *testing.T) {
 	}
 }
 
+func TestNoopBytes(t *testing.T) {
+	req := []byte("test req")
+	var rsp []byte
+
+	nc := NewCodec()
+	if err := nc.Unmarshal(req, &rsp); err != nil {
+		t.Fatal(err)
+	}
+
+	if !bytes.Equal(req, rsp) {
+		t.Fatalf("req not eq rsp: %s != %s", req, rsp)
+	}
+}
+
 func TestNoopString(t *testing.T) {
 	req := []byte("test req")
 	var rsp string